EP2426318A3 - Système de contrôle de la poussée dans une turbine à vapeur - Google Patents
Système de contrôle de la poussée dans une turbine à vapeur Download PDFInfo
- Publication number
- EP2426318A3 EP2426318A3 EP11170837.6A EP11170837A EP2426318A3 EP 2426318 A3 EP2426318 A3 EP 2426318A3 EP 11170837 A EP11170837 A EP 11170837A EP 2426318 A3 EP2426318 A3 EP 2426318A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- leak
- stage
- line
- stepped portion
- turbine section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012856 packing Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/06—Shutting-down
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/08—Restoring position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/14—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
- F01D3/04—Machines or engines with axial-thrust balancing effected by working-fluid axial thrust being compensated by thrust-balancing dummy piston or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/52—Axial thrust bearings
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/821,391 US8568084B2 (en) | 2010-06-23 | 2010-06-23 | System for controlling thrust in steam turbine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2426318A2 EP2426318A2 (fr) | 2012-03-07 |
EP2426318A3 true EP2426318A3 (fr) | 2016-12-28 |
EP2426318B1 EP2426318B1 (fr) | 2018-04-25 |
Family
ID=45352740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11170837.6A Active EP2426318B1 (fr) | 2010-06-23 | 2011-06-21 | Système de contrôle de la poussée dans une turbine à vapeur |
Country Status (4)
Country | Link |
---|---|
US (1) | US8568084B2 (fr) |
EP (1) | EP2426318B1 (fr) |
JP (1) | JP5840390B2 (fr) |
RU (1) | RU2555089C2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2831398B1 (fr) * | 2012-03-30 | 2018-10-24 | Ansaldo Energia IP UK Limited | Procédé et dispositif associé destinés au fonctionnement fiable d'un ensemble turbine à gaz |
US20140248117A1 (en) * | 2013-03-01 | 2014-09-04 | General Electric Company | External midspan packing steam supply |
JP5397560B1 (ja) * | 2013-04-05 | 2014-01-22 | 富士電機株式会社 | 抽気蒸気タービン発電設備の保安運転方法および装置 |
JP6131145B2 (ja) * | 2013-08-06 | 2017-05-17 | 株式会社神戸製鋼所 | 成膜装置 |
US9341073B2 (en) * | 2013-08-08 | 2016-05-17 | General Electric Company | Turbine thrust control system |
US10871072B2 (en) | 2017-05-01 | 2020-12-22 | General Electric Company | Systems and methods for dynamic balancing of steam turbine rotor thrust |
DE102017216558A1 (de) * | 2017-09-19 | 2019-03-21 | Siemens Aktiengesellschaft | Dampfturbine mit Wellendichtungsanordnung |
US10830092B2 (en) | 2018-03-07 | 2020-11-10 | General Electric Company | Bearing rotor thrust control |
US10801549B2 (en) * | 2018-05-31 | 2020-10-13 | General Electric Company | Axial load management system |
JPWO2023100457A1 (fr) * | 2021-11-30 | 2023-06-08 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079101A (ja) * | 1983-10-04 | 1985-05-04 | Mitsubishi Heavy Ind Ltd | タ−ビン翼車スラスト低減装置 |
US20040101395A1 (en) * | 2002-11-27 | 2004-05-27 | Wei Tong | System to control axial thrust loads for steam turbines |
US20060140747A1 (en) * | 2004-12-27 | 2006-06-29 | General Electric Company | Variable pressure-controlled cooling scheme and thrust control arrangements for a steam turbine |
DE102008003301A1 (de) * | 2007-01-11 | 2008-07-17 | General Electric Co. | Zurückziehbare aktive Dichtungen für Strömungsmaschinen und zugehöriges Verfahren |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2524724A (en) * | 1948-10-07 | 1950-10-03 | Westinghouse Electric Corp | Turbine apparatus |
US3003321A (en) * | 1955-01-31 | 1961-10-10 | English Electric Co Ltd | Steam turbines |
US3565543A (en) | 1969-04-02 | 1971-02-23 | United Aircraft Corp | Pressure balanced starter rotor |
US3614255A (en) * | 1969-11-13 | 1971-10-19 | Gen Electric | Thrust balancing arrangement for steam turbine |
US4152092A (en) | 1977-03-18 | 1979-05-01 | Swearingen Judson S | Rotary device with bypass system |
US4557664A (en) | 1983-04-13 | 1985-12-10 | Dresser Industries, Inc. | Control of steam turbine shaft thrust loads |
RU2066008C1 (ru) * | 1993-07-07 | 1996-08-27 | Дмитрий Тимофеевич Аксенов | Способ газодинамического уплотнения |
RU2107168C1 (ru) * | 1995-07-12 | 1998-03-20 | Акционерное общество открытого типа "Ленинградский Металлический завод" | Система концевых уплотнений паротурбинной установки |
US6705086B1 (en) * | 2002-12-06 | 2004-03-16 | General Electric Company | Active thrust control system for combined cycle steam turbines with large steam extraction |
RU2246009C2 (ru) * | 2003-02-26 | 2005-02-10 | Открытое акционерное общество "Силовые машины-ЗТЛ, ЛМЗ, Электросила, Энергомашэкспорт"(ОАО "Силовые машины") | Устройство подвода уплотняющего пара в цилиндр паровой турбины |
US7040861B2 (en) * | 2004-03-04 | 2006-05-09 | General Electric Company | Method and apparatus for reducing self sealing flow in combined-cycle steam turbines |
JP4279857B2 (ja) * | 2006-07-20 | 2009-06-17 | 株式会社日立製作所 | 蒸気タービン、シール装置、及びそれらの制御方法 |
JP4898743B2 (ja) * | 2008-06-09 | 2012-03-21 | 三菱重工業株式会社 | 回転機械のシール構造 |
-
2010
- 2010-06-23 US US12/821,391 patent/US8568084B2/en active Active
-
2011
- 2011-06-13 JP JP2011130780A patent/JP5840390B2/ja active Active
- 2011-06-21 EP EP11170837.6A patent/EP2426318B1/fr active Active
- 2011-06-22 RU RU2011125374/06A patent/RU2555089C2/ru not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079101A (ja) * | 1983-10-04 | 1985-05-04 | Mitsubishi Heavy Ind Ltd | タ−ビン翼車スラスト低減装置 |
US20040101395A1 (en) * | 2002-11-27 | 2004-05-27 | Wei Tong | System to control axial thrust loads for steam turbines |
US20060140747A1 (en) * | 2004-12-27 | 2006-06-29 | General Electric Company | Variable pressure-controlled cooling scheme and thrust control arrangements for a steam turbine |
DE102008003301A1 (de) * | 2007-01-11 | 2008-07-17 | General Electric Co. | Zurückziehbare aktive Dichtungen für Strömungsmaschinen und zugehöriges Verfahren |
Also Published As
Publication number | Publication date |
---|---|
RU2555089C2 (ru) | 2015-07-10 |
JP2012007610A (ja) | 2012-01-12 |
EP2426318B1 (fr) | 2018-04-25 |
US20110318169A1 (en) | 2011-12-29 |
US8568084B2 (en) | 2013-10-29 |
EP2426318A2 (fr) | 2012-03-07 |
RU2011125374A (ru) | 2012-12-27 |
JP5840390B2 (ja) | 2016-01-06 |
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